document.write( "Question 1009987: If sin^4x/a +cos^4x/b=1/(a+b),then proof that,sin^6x/a^2 +cos^6x/b^2=1/(a+b)^2 \n" ); document.write( "
Algebra.Com's Answer #625612 by msouren46@algebra.com(1)\"\" \"About 
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